Adam Nelson
Partner
FirstMark
Adam Nelson is a Partner at FirstMark focused on fintech and vertical software.
Bio
Professional summary
David Waltcher is a Partner at FirstMark. His official profile says he focuses on developer tools, AI, infrastructure, and security. Before joining FirstMark, he spent more than six years at Accel, where he helped lead investments in companies including BrowserStack, Freshworks, Higo, Jellyfish, Klaviyo, Monzo, Nuvemshop, Pismo, Pluang, Shogun, Truebill, Tines, and Veza. Public profiles also describe him as New York-based and focused on AI, developer tools, infrastructure, and security.
Investment focus
Stage, sector, and overall fit
Stage
Series ASeries BGrowth
Sector
Developer toolsAIInfrastructureSecurityApplication software
Thesis
Developer toolingAI infrastructure and applicationsSecurity softwareCloud infrastructure
Notable companies
Selected portfolio companies the partner has backed
BrowserStackFreshworksHigoJellyfishKlaviyoMonzoNuvemshopPismoPluangShogunTruebillTinesVeza
How to approach
Framing and angles for outreach
Pitch framing
Lead with a technical product wedge, buyer urgency, and why the team can win in a developer, infrastructure, AI, or security market. He appears especially relevant for founders with strong product depth and a clear path from early technical adoption to scaled go-to-market.
Personalization hooks
- 1Reference his official focus on developer tools, AI, infrastructure, and security.
- 2Tie the pitch to developer adoption, technical differentiation, or infrastructure urgency.
- 3Mention relevant parallels to BrowserStack, Tines, Veza, Jellyfish, or other software companies from his Accel background.
Recent signals
What the partner has said or done recently
Official profile lists his FirstMark focus as developer tools, AI, infrastructure, and security.
Forbes profile says he joined FirstMark in 2024 and invests in AI, developer tools, infrastructure, and security.
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